- The Daspit Companies
- Fabricates high pressure split sleeves, high pressure end connectors, low-pressure end connectors, as well as the Zero Viz Camera System (hand held camera for use subsurface).
- Drill String Services, Inc.
- Specializes in drill pipe inspection services and CNC lathe machining services.
- Fitzgerald Inspection, Inc.
- Provides specialized inspection services for oilfield tubular goods and accessories.
- GE Oil & Gas Pipeline Inspection Services
- Offers corrosion detection technologies to detect general corrosion in gas lines, liquid lines and axial defects in gas or liquid lines.
- Kinnco, Inc.
- Provides inspection and tubular repair service to the oilfield market.
- Pacific Technical Services
- Provides quality control and quality assurance services to the petrochemical, process, power generation, construction and manufacturing industries.
- Permian Rod Operations
- Specializes in maintenance and comprehensive nondestructive testing of new and used sucker rods, sinker bars, and sucker rod couplings.
- Technical Industries, Inc.
- Provides NDT pipe inspection of tubing, casing, line-pipe, drill pipe, bottom hole assembly re-facing, drilling rigs, tools and equipment, deep water, and critical wells.
- TerraTek, Inc.
- Offers laboratory testing of rock mechanical properties, providing cross-disciplinary technologies in mechanics, geology and geophysics.
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